These previously unpublished notes by Salvador Dalí contain anecdotes about author Stefan Zweig, who helped introduce the artist to Sigmund Freud, and the artist's abiding concern with immortality, reflected in a Scientific Americanarticle annotated by Dalí. In his introduction, Ignacio Vidal-Folch discusses Dalí's search for immortality, and explores different views on the topic from scientists and authors such as Ray Kurzweil, Elias Canetti and Eugène Ionesco.